package com.hl.payServer.util;

import org.apache.commons.io.IOUtils;
import org.apache.http.Consts;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.HttpClient;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.config.RequestConfig.Builder;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.conn.ssl.SSLConnectionSocketFactory;
import org.apache.http.conn.ssl.SSLContextBuilder;
import org.apache.http.conn.ssl.TrustStrategy;
import org.apache.http.conn.ssl.X509HostnameVerifier;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.impl.conn.PoolingHttpClientConnectionManager;
import org.apache.http.message.BasicNameValuePair;
import tk.mybatis.mapper.util.StringUtil;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLException;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.SocketTimeoutException;
import java.net.URL;
import java.nio.charset.Charset;
import java.security.GeneralSecurityException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.*;
import java.util.Map.Entry;

/**
 * Created by Administrator on 2016-04-09.
 */
public class HttpClientUtils {
    public static final int connTimeout=10000;
    public static final int readTimeout=10000;
    public static final String charset="UTF-8";
    private static HttpClient client = null;

    static {
        PoolingHttpClientConnectionManager cm = new PoolingHttpClientConnectionManager();
        cm.setMaxTotal(128);
        cm.setDefaultMaxPerRoute(128);
        client = HttpClients.custom().setConnectionManager(cm).build();
    }

    public static String postParameters(String url, String parameterStr) throws Exception{
        return post(url,parameterStr,"application/x-www-form-urlencoded",charset,connTimeout,readTimeout);
    }

    public static String postParameters(String url, String parameterStr,String charset, Integer connTimeout, Integer readTimeout) throws Exception{
        return post(url,parameterStr,"application/x-www-form-urlencoded",charset,connTimeout,readTimeout);
    }

    public static String postParameters(String url, Map<String, String> params) throws
            Exception {
        return post(url, params, null, connTimeout, readTimeout);
    }

    public static String postParameters(String url, Map<String, String> params, Integer connTimeout,Integer readTimeout) throws
            Exception {
        return post(url, params, null, connTimeout, readTimeout);
    }

    public static String get(String url) throws Exception {
        return get(url, charset, null, null);
    }

    public static String get(String url, String charset) throws Exception {
        return get(url, charset, connTimeout, readTimeout);
    }

    /**
     * 发送一个 Post 请求, 使用指定的字符集编码.
     *
     * @param url
     * @param body RequestBody
     * @param mimeType 例如 application/xml "application/x-www-form-urlencoded" a=1&b=2&c=3
     * @param charset 编码
     * @param connTimeout 建立链接超时时间,毫秒.
     * @param readTimeout 响应超时时间,毫秒.
     * @return ResponseBody, 使用指定的字符集编码.
     * @throws ConnectTimeoutException 建立链接超时异常
     * @throws SocketTimeoutException  响应超时
     * @throws Exception
     */
    public static String post(String url, String body, String mimeType, String charset, Integer connTimeout, Integer readTimeout)
            throws Exception {
        HttpClient client = null;
        HttpPost post = new HttpPost(url);
        post.setHeader("Accept", mimeType);
        String result = "";
        try {
            if (StringUtil.isNotEmpty(body)) {
                HttpEntity entity = new StringEntity(body, ContentType.create(mimeType, charset));
                post.setEntity(entity);
            }
            // 设置参数
            Builder customReqConf = RequestConfig.custom();
            if (connTimeout != null) {
                customReqConf.setConnectTimeout(connTimeout);
            }
            if (readTimeout != null) {
                customReqConf.setSocketTimeout(readTimeout);
            }
            post.setConfig(customReqConf.build());

            HttpResponse res;
            if (url.startsWith("https")) {
                // 执行 Https 请求.
                client = createSSLInsecureClient();
                res = client.execute(post);
            } else {
                // 执行 Http 请求.
                client = HttpClientUtils.client;
                res = client.execute(post);
            }
            result = IOUtils.toString(res.getEntity().getContent(), charset);
        } finally {
            post.releaseConnection();
            if (url.startsWith("https") && client != null&& client instanceof CloseableHttpClient) {
                ((CloseableHttpClient) client).close();
            }
        }
        return result;
    }


    /**
     * 提交form表单
     *
     * @param url
     * @param params
     * @param connTimeout
     * @param readTimeout
     * @return
     * @throws ConnectTimeoutException
     * @throws SocketTimeoutException
     * @throws Exception
     */
    public static String post(String url, Map<String, String> params, Map<String, String> headers, Integer connTimeout,Integer readTimeout) throws
            Exception {

        HttpClient client = null;
        HttpPost post = new HttpPost(url);
        try {
            if (params != null && !params.isEmpty()) {
                List<NameValuePair> formParams = new ArrayList<org.apache.http.NameValuePair>();
                Set<Entry<String, String>> entrySet = params.entrySet();
                for (Entry<String, String> entry : entrySet) {
                    formParams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
                }
                UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formParams, Consts.UTF_8);
                post.setEntity(entity);
            }

            if (headers != null && !headers.isEmpty()) {
                for (Entry<String, String> entry : headers.entrySet()) {
                    post.addHeader(entry.getKey(), entry.getValue());
                }
            }
            // 设置参数
            Builder customReqConf = RequestConfig.custom();
            if (connTimeout != null) {
                customReqConf.setConnectTimeout(connTimeout);
            }
            if (readTimeout != null) {
                customReqConf.setSocketTimeout(readTimeout);
            }
            post.setConfig(customReqConf.build());
            HttpResponse res = null;
            if (url.startsWith("https")) {
                // 执行 Https 请求.
                client = createSSLInsecureClient();
                res = client.execute(post);
            } else {
                // 执行 Http 请求.
                client = HttpClientUtils.client;
                res = client.execute(post);
            }
            return IOUtils.toString(res.getEntity().getContent(), "UTF-8");
        } finally {
            post.releaseConnection();
            if (url.startsWith("https") && client != null
                    && client instanceof CloseableHttpClient) {
                ((CloseableHttpClient) client).close();
            }
        }
    }
    /**
     * 提交form表单
     *
     * @param url
     * @param params
     * @param connTimeout
     * @param readTimeout
     * @return
     * @throws ConnectTimeoutException
     * @throws SocketTimeoutException
     * @throws Exception
     */
    public static String postGBK(String url, Map<String, String> params, Map<String, String> headers, Integer connTimeout,Integer readTimeout) throws
            Exception {
    	
    	HttpClient client = null;
    	HttpPost post = new HttpPost(url);
    	try {
    		if (params != null && !params.isEmpty()) {
    			List<NameValuePair> formParams = new ArrayList<org.apache.http.NameValuePair>();
    			Set<Entry<String, String>> entrySet = params.entrySet();
    			for (Entry<String, String> entry : entrySet) {
    				formParams.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
    			}
    			UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formParams, Charset.forName("GBK"));
    			post.setEntity(entity);
    		}
    		
    		if (headers != null && !headers.isEmpty()) {
    			for (Entry<String, String> entry : headers.entrySet()) {
    				post.addHeader(entry.getKey(), entry.getValue());
    			}
    		}
    		// 设置参数
    		Builder customReqConf = RequestConfig.custom();
    		if (connTimeout != null) {
    			customReqConf.setConnectTimeout(connTimeout);
    		}
    		if (readTimeout != null) {
    			customReqConf.setSocketTimeout(readTimeout);
    		}
    		post.setConfig(customReqConf.build());
    		HttpResponse res = null;
    		if (url.startsWith("https")) {
    			// 执行 Https 请求.
    			client = createSSLInsecureClient();
    			res = client.execute(post);
    		} else {
    			// 执行 Http 请求.
    			client = HttpClientUtils.client;
    			res = client.execute(post);
    		}
    		return IOUtils.toString(res.getEntity().getContent(), "UTF-8");
    	} finally {
    		post.releaseConnection();
    		if (url.startsWith("https") && client != null
    				&& client instanceof CloseableHttpClient) {
    			((CloseableHttpClient) client).close();
    		}
    	}
    }
    
    
    /**
     * 平安银行的包里的方法,
     * @param aServerUrl
     * @param aOutputData
     * @return
     * @throws Exception
     */
	public static byte[] sendData(String aServerUrl, byte[] aOutputData)
			throws Exception {
		if (aServerUrl == null) {
			throw new Exception("没有设置serverUrl");
		}

		URL url = new URL(aServerUrl);

		boolean ishttps = false;
		int indexhttps = aServerUrl.indexOf("https");
		if (indexhttps >= 0) {
			ishttps = true;
		}

		HttpURLConnection http = (HttpURLConnection) url.openConnection();

//		if (ishttps) {
//			((HttpsURLConnection) http).setSSLSocketFactory(null);
//		}

		http.setConnectTimeout(connTimeout);
		http.setReadTimeout(readTimeout);
		http.getConnectTimeout();
		http.setDoOutput(true);
		http.setDoInput(true);
		http.setAllowUserInteraction(false);
		http.setUseCaches(false);
		http.setRequestMethod("POST");
		http.setRequestProperty("Content-Type",
				"application/x-www-form-urlencoded");
		http.setRequestProperty("Content-Length",
				String.valueOf(aOutputData.length));
		http.setRequestProperty("Connection", "close");
		http.setRequestProperty("User-Agent", "payClient");
		http.setRequestProperty("Accept", "text/xml");
		OutputStream out = http.getOutputStream();
		out.write(aOutputData);
		out.flush();
		ByteArrayOutputStream byteout = new ByteArrayOutputStream(4096);
		InputStream in = http.getInputStream();
		int code = http.getResponseCode();
		if (code != 200) {
			throw new Exception("找不到web服务");
		}
		byte[] buf = new byte[4096];
		while (true) {
			int readlen = in.read(buf, 0, 4096);
			if (readlen < 0) {
				break;
			}
			if (readlen > 0) {
				byteout.write(buf, 0, readlen);
			}
		}
		out.close();
		in.close();
		return byteout.toByteArray();
	}
	
	/**
     * 平安银行的包里的方法,
     */
//	private void getSocketFactory()
//	  {
//	    try
//	    {
//	      SecureRandom secureRandom = new SecureRandom();
//	      secureRandom.nextInt();
//
//	      KeyStore merchantKeyStore = KeyStore.getInstance("JKS");
//
//	      String keyStoreFile = rb.getString("cafile");
//	      merchantKeyStore.load(
//	        new FileInputStream(keyStoreFile), 
//	        rb.getString("store_password").toCharArray());
//
//	      System.err.println("TrustManagerFactory===" + TrustManagerFactory.class.getName());
//	      Properties tSysProperties = System.getProperties();
//	      String tJvmVendor = tSysProperties.getProperty("java.vm.vendor");
//	      int iProviderType = 0;
//	      if (tJvmVendor.equals("IBM Corporation"))
//	        iProviderType = 1;
//	      else {
//	        iProviderType = 0;
//	      }
//
//	      TrustManager[] tm = { new NoCheckX509TrustManager() };
//	      TrustManagerFactory tmf;
//	      SSLContext sslContext;
//	      KeyManagerFactory kmf;
//	      TrustManagerFactory tmf;
//	      if (iProviderType == 1) {
//	        SSLContext sslContext = SSLContext.getInstance("TLS", "IBMJSSE2");
//	        KeyManagerFactory kmf = KeyManagerFactory.getInstance("IbmX509");
//	        tmf = TrustManagerFactory.getInstance("IbmX509");
//	      }
//	      else {
//	        sslContext = SSLContext.getInstance("TLS", "SunJSSE");
//	        kmf = KeyManagerFactory.getInstance("SunX509");
//	        tmf = TrustManagerFactory.getInstance("SunX509");
//	      }
//
//	      tmf.init(merchantKeyStore);
//
//	      kmf.init(
//	        merchantKeyStore, 
//	        rb.getString("key_password").toCharArray());
//
//	      sslContext.init(
//	        kmf.getKeyManagers(), 
//	        tm, 
//	        secureRandom);
//	      sslSocketFactory = sslContext.getSocketFactory();
//	    }
//	    catch (KeyStoreException e)
//	    {
//	      errFlag = true;
//	      errMsg = "证书私钥容器异常";
//	      e.printStackTrace();
//	    } catch (FileNotFoundException e) {
//	      errFlag = true;
//	      errMsg = "证书私钥容器不存在";
//	      e.printStackTrace();
//	    } catch (CertificateException e) {
//	      errFlag = true;
//	      errMsg = "证书私钥容器密码错误";
//	      e.printStackTrace();
//	    } catch (NoSuchAlgorithmException e) {
//	      errFlag = true;
//	      errMsg = "无此算法";
//	      e.printStackTrace();
//	    } catch (UnrecoverableKeyException e) {
//	      errFlag = true;
//	      errMsg = "不可恢复私钥或私钥密码错";
//	      e.printStackTrace();
//	    } catch (Exception e) {
//	      errFlag = true;
//	      errMsg = "无法生成SSL连接";
//	      e.printStackTrace();
//	    }
//	  }



    /**
     * 发送一个 GET 请求
     *
     * @param url
     * @param charset
     * @param connTimeout  建立链接超时时间,毫秒.
     * @param readTimeout  响应超时时间,毫秒.
     * @return
     * @throws ConnectTimeoutException   建立链接超时
     * @throws SocketTimeoutException   响应超时
     * @throws Exception
     */
    public static String get(String url, String charset, Integer connTimeout,Integer readTimeout)
            throws Exception {

        HttpClient client = null;
        HttpGet get = new HttpGet(url);
        String result = "";
        try {
            // 设置参数
            Builder customReqConf = RequestConfig.custom();
            if (connTimeout != null) {
                customReqConf.setConnectTimeout(connTimeout);
            }
            if (readTimeout != null) {
                customReqConf.setSocketTimeout(readTimeout);
            }
            get.setConfig(customReqConf.build());

            HttpResponse res = null;

            if (url.startsWith("https")) {
                // 执行 Https 请求.
                client = createSSLInsecureClient();
                res = client.execute(get);
            } else {
                // 执行 Http 请求.
                client = HttpClientUtils.client;
                res = client.execute(get);
            }

            result = IOUtils.toString(res.getEntity().getContent(), charset);
        } finally {
            get.releaseConnection();
            if (url.startsWith("https") && client != null && client instanceof CloseableHttpClient) {
                ((CloseableHttpClient) client).close();
            }
        }
        return result;
    }


    /**
     * 从 response 里获取 charset
     *
     * @param ressponse
     * @return
     */
    @SuppressWarnings("unused")
    private static String getCharsetFromResponse(HttpResponse ressponse) {
        // Content-Type:text/html; charset=GBK
        if (ressponse.getEntity() != null  && ressponse.getEntity().getContentType() != null && ressponse.getEntity().getContentType().getValue() != null) {
            String contentType = ressponse.getEntity().getContentType().getValue();
            if (contentType.contains("charset=")) {
                return contentType.substring(contentType.indexOf("charset=") + 8);
            }
        }
        return null;
    }



    /**
     * 创建 SSL连接
     * @return
     * @throws GeneralSecurityException
     */
    private static CloseableHttpClient createSSLInsecureClient() throws GeneralSecurityException {
        try {
            SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
                @Override
                public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
                    return true;
                }
            }).build();

            SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext, new X509HostnameVerifier() {

                @Override
                public boolean verify(String arg0, SSLSession arg1) {
                    return true;
                }

                @Override
                public void verify(String host, SSLSocket ssl)
                        throws IOException {
                }

                @Override
                public void verify(String host, X509Certificate cert)
                        throws SSLException {
                }

                @Override
                public void verify(String host, String[] cns,
                                   String[] subjectAlts) throws SSLException {
                }

            });

            return HttpClients.custom().setSSLSocketFactory(sslsf).build();

        } catch (GeneralSecurityException e) {
            throw e;
        }
    }


    public static InputStream downloadFile(String url, String param) throws Exception {
        URL u = new URL(url);
        HttpURLConnection urlConnection = (HttpURLConnection) u.openConnection();
        urlConnection.setDoOutput(true);
        urlConnection.setRequestProperty("content-type", "application/x-www-form-urlencoded");
        OutputStreamWriter out = new OutputStreamWriter(urlConnection.getOutputStream());
        out.write(param);
        out.flush();
        out.close();
        InputStream inputStream = urlConnection.getInputStream();
//        FileOutputStream fos = new FileOutputStream("e:\\test.pdf",true);//写入
//
//        int len =-1; byte[] buf =new byte[1024*10];
//
//        while((len=inputStream.read(buf))!=-1){
//            fos.write(buf,0,len);
//        }
//        fos.close();
        return inputStream;
    }

    public static void main(String[] args) {
        try {
          //  String str= post("https://localhost:443/ssl/test.shtml","name=12&page=34","application/x-www-form-urlencoded", "UTF-8", 10000, 10000);
            //String str= get("https://localhost:443/ssl/test.shtml?name=12&page=34","GBK");
            Map<String,String> map = new HashMap<String,String>();
            map.put("data", "111");
            String str= post("http://192.168.3.253:7080/tenant/save", map, null, 10000, 10000);
            System.out.println(str);
        } catch (ConnectTimeoutException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (SocketTimeoutException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}
